1000cc Camaro LS3 L99 LSA Fuel Injectors
Low stock: 10 left
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- Every set of Excess Injectors comes with eXact Match Data.
- Tune files available for 11 different ECU's.
- Each file is adjusted to how your set performed on the test bench
- No two data sets are the same
In Stock
Lifetime Warranty
Stainless Steel Internals



When upgrading your Camaro LS3, L99, or LSA engine for more power, one crucial component is the fuel injectors. Whether you're increasing boost, adding performance mods, or fine-tuning your fuel system, 1000cc injectors ensure your engine gets the fuel it needs for peak performance.
Stock fuel injectors work well for factory setups, but once you push beyond the original horsepower limits, they can't keep up with increased fuel demands. 1000cc fuel injectors are a must-have for:
- Supercharged or turbocharged builds
- E85 or race fuel compatibility
- Increased horsepower tuning
- Consistent and reliable fuel delivery
With stainless steel internals, these injectors are built for all fuel types, ensuring durability and long-term performance.
Key Specifications and Features
Here's a closer look at what you get with these 1000cc LS3 L99 LSA fuel injectors:
- Fuel Compatibility: Works with all fuels, including pump gas and ethanol-based fuels
- Flow Rate: 1000cc for high-performance applications
- Testing Pressure: 3 bar for accurate performance measurements
- Coil Resistance: 12 ohms for smooth operation
- Injector Plug Style: USCAR, ensuring direct compatibility
- Injector Height: 40mm (1.57") from O-ring to O-ring
- Top O-Ring Diameter: 14mm (0.55")
- Manifold O-Ring Included: Yes
- Sold as a Set: Comes in a pack of 8 for complete engine coverage
- Wiring Harness Required: No modifications needed
- Height Extensions Required: Not required for LS3, L99, or LSA fitment
- Tuning Data: Comes with exact-match tuning data for seamless integration
Lifetime Warranty
Worried about reliability? Excess Injectors back their products with a lifetime warranty. If an injector fails due to a manufacturer defect (not contamination or external damage), they will replace it free of charge.
✔ Data stored on the cloud for easy reference
✔ Exact flow and deadtime records allow for a precise replacement
✔ No hassle just a simple swap to maintain your engine's performance
Fuel Compatibility
All Fuel - stainless steel internals
Make
Model
Injector CC Rating
Testing Pressure (bar)
3
Coil Resistance
12 ohms
Injector Plug Style
USCAR
Internals
Stainless steel internals
Injector Height (O-Ring to O-Ring)
40mm - 1.57"
Top O-Ring Outside Diameter
14mm - 0.55"
Manifold O-Ring Outside Diameter
Quantity
Sold as a set of 8
O-Rings Included
Yes
Wiring Harness Included
Not Required
Height Extensions Included
Not Required
Tuning Data Included
Yes - Exact Match Data
Access to Testing Data
Yes

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